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Finding the Fourth Proportional to 79,314.48, 109,454.13 and 43,504.79

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Solution

The fourth proportional to 79,314.48, 109,454.13 and 43,504.79 is: 60,036.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,314.48 : 109,454.13 = 43,504.79 : x
  2. Step 2: Convert to fraction form
    79,314.48/109,454.13 = 43,504.79/x
  3. Step 3: Cross multiply
    79,314.48x = 109,454.13 × 43,504.79
  4. Step 4: Simplify right side
    79,314.48x = 4,761,778,393.01
  5. Step 5: Solve for x
    x = 4,761,778,393.01/79,314.48
  6. Step 6: Final answer
    x = 60,036.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.